Added This Eyelash Serum to My Routine and Saw a Difference

Emma Caldwell
February 4, 2026

For years I have tried various products to improve the look of my lashes, but they almost always ended up forgotten. Too many steps, unrealistic expectations, or results that never arrived. That is why, when I decided to incorporate a lash serum into my daily routine, I did so with a clear condition: that it be easy to use and compatible with real life.

The key, as with many beauty treatments, is consistency. It is not a product with an immediate impact, but one that works when it becomes an automatic gesture. Applying it from Monday to Friday, always at the same time, has been decisive in starting to notice real changes.

In my case, I apply it in the morning, with a clean face, before continuing with the rest of the routine. It does not grease, it does not irritate, and it does not interfere with mascara afterward. That detail, which may seem minor, is what makes me actually use it every day without fail.

As the weeks go by, the first thing you notice is not so much length but the quality of the lash. They look more flexible, less fragile and with better shape, even without makeup. That sensation of a well-cared-for lash is, to me, the real change of using a serum in this area of the face.

The product I use is Clarins SOS Lash Serum, a treatment designed to strengthen, repair and protect the lashes. Moreover, it does not leave the lashes stiff or crunchy and achieves the same effect as a regular mascara. It is exactly that realistic approach that has convinced me.

Its formula acts as a background treatment: helps reinforce the fiber, reduces breakage and improves the overall look of the lash with continued use. Additionally, it works as a primer before mascara, something that is appreciated in a daily routine.


Sérum SOS pestañas de Clarins

After several weeks of consistent use, I notice the lashes are sturdier and shed less when removing makeup. They also curve better and maintain the curl for longer when applying mascara. It isn’t a radical change, but it is noticeable, especially if you have thin or weakened lashes.

This type of product does not replace makeup, but it does make the final result prettier and more natural. And that, in daily life, makes a difference. It is a serum especially interesting for those who notice that lashes have lost strength or density over time, for sensitive eyes, or for those looking to improve their look without resorting to extensions or aggressive treatments.

Incorporating it into my daily routine has been one of those small beauty gestures that, without making noise, work. And when something fits so well into day-to-day life, it tends to stay. Although it’s not the only one. There are many brands that also bet on this type of lash serums to strengthen lashes, but with other formats.

One of the best known is the Revitalash Advanced Eyelash Conditioner. That said, it’s different. It is applied at the base of the lashes and is designed as a continuous treatment, not as an immediate effect. It improves lash resilience and if used continuously you see greater density.


Sérum de pestañas Advanced Eyelash Conditioner de Revitalash

It is a lash serum different from the Clarins one that women usually use from around 40-50 years old when they notice their lashes are weaker. It also has a higher price, around 100 euros approximately.

Emma Caldwell
Emma Caldwell
I’m Clara Desrosiers, a writer and fashion editor based in Toronto. I founded Backdoor Toronto to explore the intersection of fashion, identity, and culture through honest storytelling. My work is driven by curiosity, community, and a love for the creative pulse that defines this city.